Marks & Spencer Data Engineer Interview Questions

The questions to prepare for a Marks & Spencer Data Engineer interview. Questions from real interview reports rank first. Updated weekly.

Handling Missing Data in Pipelines

Medium

Approach for handling missing data in an ML data pipeline, including validation, imputation, and safe downstream consumption.

InfrastructureETLBatch Processing

Marks & Spencer

Large-Scale Data Pipeline Challenges

Medium

Discuss the main pipeline challenges that appear as data volume, velocity, and system complexity grow.

InfrastructureQuality

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Top Products SQL Query

Medium

Tests SQL skills for aggregations, ranking, and filtering relevant to retail sales analytics.

Date FunctionsRankingAggregations

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Optimize SQL Performance

Medium

Tests query optimization techniques and performance troubleshooting in SQL.

indexingJoinsAggregations

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Build a Python Dictionary

Easy

Tests basic Python data structure knowledge and implementation correctness.

Hash TablesArraysStrings

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Merging Dictionaries in Python

Easy

Tests ability to write correct Python for common data engineering transformations.

Hash TablesArraysStrings

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